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Forum: Service Manuals, Requests, Repair Tips

If you have any problems with your devices: radios, TV, audio, monitors, printers, VCR, SAT, hardware computers, GSM, cars... Ask here what manuals do you need. Also check our Database

  1. Sticky Thread Sticky: READ BEFORE YOU POST - do not post e-books, ieee papers here

    Started by pranam77, 29th August 2009 08:34
    • Replies: 0
    • Views: 20,706
    pranam77
    29th August 2009, 08:34 Go to last post

  1. Need help identifying SOT23-6 with marking code B984 (boost circuit controller)

    Started by ro0ter, 15th March 2019 10:16
    5 Attachment(s)
    • Replies: 1
    • Views: 260
    Zak28
    Yesterday, 11:17 Go to last post

  2. Need a equivalent for microcontroller SST89E516RD

    Started by ramdasiyer, 15th March 2019 03:10
    • Replies: 1
    • Views: 139
    betwixt
    15th March 2019, 09:46 Go to last post

  3. APC BK 650EI bip bip

    Started by sonome, 9th March 2019 22:53
    • Replies: 1
    • Views: 561
    wwfeldman
    10th March 2019, 01:49 Go to last post

  4. Marconi 2967 service manual

    Started by voicunicorici, 8th March 2019 15:27
    • Replies: 0
    • Views: 163
    voicunicorici
    8th March 2019, 15:27 Go to last post

  5. Need help to identify this component

    Started by dsanthosh67, 6th March 2019 07:35
    2 Attachment(s)
    • Replies: 2
    • Views: 286
    dsanthosh67
    6th March 2019, 10:35 Go to last post

  6. [SOLVED] AED 3 ZOLL: battery scheme, service manual

    Started by setipox, 3rd March 2019 11:18
    1 Attachment(s)
    • Replies: 6
    • Views: 523
    BradtheRad
    6th March 2019, 03:53 Go to last post

  7. A relay coil rated 24V- (is this 24Vac or 24Vdc ?)

    Started by i200yrs, 5th March 2019 10:42
    • Replies: 4
    • Views: 249
    nikhilmahasvar
    5th March 2019, 14:49 Go to last post

  8. Help Unknown Sensor : What does it do ?

    Started by Louis28, 4th March 2019 15:08
    2 Attachment(s)
    • Replies: 2
    • Views: 167
    betwixt
    4th March 2019, 17:34 Go to last post

  9. GYS INVERTER 70-12 HF help

    Started by robo28.10, 2nd March 2019 17:13
    2 Attachment(s)
    • Replies: 2
    • Views: 224
    robo28.10
    3rd March 2019, 22:56 Go to last post

  10. Old Siemens oscilloscope

    Started by joseravat, 1st March 2019 19:16
    3 Attachment(s)
    • Replies: 6
    • Views: 378
    betwixt
    2nd March 2019, 10:04 Go to last post

  11. IC marking identification

    Started by nayakajit87, 1st March 2019 06:58
    1 Attachment(s)
    • Replies: 0
    • Views: 182
    nayakajit87
    1st March 2019, 06:58 Go to last post

  12. Sony BVP-3P user manual help

    Started by 9a3daa, 30th July 2018 16:22
    9 Attachment(s)
    • Replies: 14
    • Views: 3,080
    9a3daa
    23rd February 2019, 17:27 Go to last post

  13. Identify zener diode ZD801 in video monitor by V7, model D1912-N6

    Started by Rusthugger, 11th October 2018 15:08
    3 Attachment(s)
    • Replies: 15
    • Views: 1,950
    Rusthugger
    23rd February 2019, 01:43 Go to last post

  14. IR Preheater for ATX motherboard

    Started by Petswotan, 22nd February 2019 17:43
    • Replies: 0
    • Views: 138
    Petswotan
    22nd February 2019, 17:43 Go to last post

  15. Microwave MIELE M 8161-2 HELP

    Started by giafiordi, 20th February 2019 10:22
    1 Attachment(s)
    • Replies: 1
    • Views: 207
    BradtheRad
    20th February 2019, 23:06 Go to last post

  16. Asking about SMD component

    Started by ahmedsomrani, 19th February 2019 14:40
    2 Attachment(s)
    • Replies: 7
    • Views: 378
    ahmedsomrani
    20th February 2019, 08:16 Go to last post

  17. [SOLVED] Thermal sensor of a FAN cooler: Needed to identify

    Started by andre_teprom, 15th February 2019 16:10
    1 Attachment(s)
    • Replies: 2
    • Views: 416
    andre_teprom
    15th February 2019, 18:27 Go to last post

  18. Anyone please help identify what component is this with t4N marking code?

    Started by i200yrs, 11th February 2019 14:13
    1 Attachment(s)
    • Replies: 2
    • Views: 427
    i200yrs
    15th February 2019, 03:25 Go to last post

  19. Function of diode in the circuit.

    Started by i200yrs, 14th February 2019 08:42
    1 Attachment(s)
    • Replies: 1
    • Views: 182
    srizbf
    14th February 2019, 10:33 Go to last post

  20. Need Help Finding A Replacement Encoder

    Started by radiotek, 13th February 2019 16:23
    1 Attachment(s)
    • Replies: 2
    • Views: 225
    radiotek
    13th February 2019, 22:29 Go to last post

  21. Marconi 2955B Power Meter Fault

    Started by simo666, 8th February 2019 17:48
    • Replies: 1
    • Views: 301
    BradtheRad
    9th February 2019, 06:43 Go to last post

  22. B&W A7 AirPlay dsp board

    Started by DAIMLER, 6th February 2019 21:26
    3 Attachment(s)
    • Replies: 0
    • Views: 469
    DAIMLER
    6th February 2019, 21:26 Go to last post

  23. Electric Chair malfunction with remote control CIAR

    Started by ckkone01, 6th February 2019 07:14
    5 Attachment(s)
    • Replies: 0
    • Views: 202
    ckkone01
    6th February 2019, 07:14 Go to last post

  24. Can anyone help me identify this IC?

    Started by 1stFalloutBoy, 22nd January 2019 06:07
    1 Attachment(s)
    • Replies: 11
    • Views: 1,324
    betwixt
    26th January 2019, 18:16 Go to last post

  25. DEBEG 2057 receiver schematic diagram

    Started by marcoffx, 26th October 2018 18:00
    1 Attachment(s)
    • Replies: 1
    • Views: 559
    karesz
    25th January 2019, 19:47 Go to last post

  26. GA90 VSD elektronikon reprogramming

    Started by usefi5961, 19th January 2019 18:08
    • Replies: 0
    • Views: 377
    usefi5961
    19th January 2019, 18:08 Go to last post

  27. LED light power supply fix recommendations

    Started by Veketti, 13th January 2019 11:57
    2 Attachment(s)
    • Replies: 6
    • Views: 675
    Veketti
    13th January 2019, 17:52 Go to last post

  28. How to resolve Malfunction of MCU operated ckt from appliances switches open/close

    Started by saramah, 29th December 2018 13:54
    1 Attachment(s)
    • Replies: 9
    • Views: 1,151
    saramah
    12th January 2019, 07:13 Go to last post

  29. SMD IC identification

    Started by carpenter, 22nd September 2018 15:42
    1 Attachment(s)
    • Replies: 4
    • Views: 940
    carpenter
    6th January 2019, 13:57 Go to last post

  30. How get o/p from ra4 pin (open drain o/p) in 16f628a

    Started by saramah, 3rd January 2019 14:20
    1 Attachment(s)
    • Replies: 4
    • Views: 396
    saramah
    3rd January 2019, 18:47 Go to last post
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